High Quality Content by WIKIPEDIA articles! Delicious Monster is a software company based in San Francisco, California that sells the shareware software program Delicious Library. Its founders are Wil Shipley, one of the three co-founders of The Omni Group, and Mike Matas, who worked as an interface designer at The Omni Group. Matas left Delicious Monster in 2005 to work for Apple in 2005, but left the company in July 2009 to found Push Pop Press.